package aqs;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Semaphore;
import java.util.concurrent.locks.ReentrantLock;

/**
 * 描述：     TODO
 */
public class AQSDemo {

    public static void main(String[] args) {
//        new Semaphore().var;
        new CountDownLatch(1);
//        new ReentrantLock();
    }
}
